/*
 * Copyright (c) 2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { ts, rule } from "qvog-dsl";

const SEVERITY = 2;
const DOC_PATH = 'docs/no-null-in-push.md';
const DESCRIPTION = 'Do not pass null or undefined values to array.push as it may lead to unexpected runtime issues. Always validate data before pushing it into arrays.';

export default rule()
  .match(ts.isCallExpression)
  .when(node => {
      // 判断是否是 push 调用
      if (
          ts.isPropertyAccessExpression(node.expression) &&
          node.expression.name.text === "push"
      ) {
          // 判断参数中是否有 null 或 undefined
          return node.arguments.some((arg: ts.Expression) =>
              arg.kind === ts.SyntaxKind.NullKeyword ||
              arg.kind === ts.SyntaxKind.UndefinedKeyword
          );
      }
      return false;
  })
  .report({
      severity: SEVERITY,
      description: DESCRIPTION,
      docPath: DOC_PATH,
  });
